1. National Center for Geriatrics and Welfare Research, National Health Research Institutes, Miaoli, Taiwan
2. Department of Psychiatry, National Taiwan University Hospital Yunlin Branch, Yunlin, Taiwan
3. Department of Psychiatry, College of Medicine, National Taiwan University, Taipei, Taiwan
4. Department of Psychiatry, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu Hospital, Hsinchu, Taiwan;
5. Cerebellar Research Center, National Taiwan University Hospital Yunlin Branch, Yunlin, Taiwan